BGS Rock Classification Scheme

Meta-aragonite-microstone

Code MARMCS
Description Meta-aragonite-microstone
Qualifiers No qualifiers currently exist.
Definition Meta-sedimentary rock, field identifiable aragonite-microstone protolith. Submicroscopic crystals >50% calcite/aragonite, aragonite >50% of Ca-carbonate crystals. Petrological study shows obliterative sparry aragonite, <0.004mm in inequant blocky mosaics.
Linked data http://data.bgs.ac.uk/id/EarthMaterialClass/RockName/MARMCS

CAVEAT

"Thumbnail" definitions attached to some of the table entries are an interim attempt to provide simple short descriptions of the "unqualified" rock types presented within the BGS Rock Classification Scheme. Every effort has been made to ensure accuracy and consistency but minor contradictions or omissions might be present. The BGS welcomes any feedback pointing out such minor imperfections and/or providing constructive comment and suggestions for improvement of the definitions. In the first instance such feedback should be directed to Dr Tim McCormick.